/**
    Copyright (C) 2011  Alexander Vollmer

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package org.jefb.web.model;

import java.beans.PropertyChangeListener;
import java.beans.PropertyChangeSupport;
import java.io.Serializable;

import org.jefb.web.model.entity.Message;
import org.springframework.context.annotation.Scope;
import org.springframework.stereotype.Component;

/**
 * @author alexej
 * 
 */
@Component
@Scope("session")
public class MessagesModel implements Serializable{
	/**
	 * 
	 */
	private static final long serialVersionUID = 1L;

	public static final String CURRENT_MESSAGE_PROPERTY = "currentMessage";

	private Message currentMessage;

	private PropertyChangeSupport propertyChangeSupport = new PropertyChangeSupport(
			this);
	
	public void addMessage(Message message){
		setCurrentMessage(message);
	}

	public void addPropertyChangeListener(String propertyName,
			PropertyChangeListener propertyChangeListener) {
		propertyChangeSupport.addPropertyChangeListener(propertyName,
				propertyChangeListener);
	}

	public void removePropertyChangeListener(String propertyName,
			PropertyChangeListener propertyChangeListener) {
		propertyChangeSupport.removePropertyChangeListener(propertyName,
				propertyChangeListener);
	}

	public void setCurrentMessage(Message currentMessage) {
		propertyChangeSupport.firePropertyChange(CURRENT_MESSAGE_PROPERTY,
				this.currentMessage, this.currentMessage = currentMessage);
	}

	public Message getCurrentMessage() {
		return currentMessage;
	}

}
